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/[tomoyo]/trunk/1.8.x/ccs-patch/security/ccsecurity/compat.h

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trunk/1.6.x/ccs-patch/include/linux/ccs_compat.h revision 2219 by kumaneko, Tue Mar 3 06:30:38 2009 UTC branches/ccs-patch/security/ccsecurity/compat.h revision 2864 by kumaneko, Fri Aug 7 06:40:37 2009 UTC
# Line 1  Line 1 
1  /*  /*
2   * include/linux/ccs_compat.h   * security/ccsecurity/compat.h
  *  
  * For compatibility for older kernels.  
3   *   *
4   * Copyright (C) 2005-2009  NTT DATA CORPORATION   * Copyright (C) 2005-2009  NTT DATA CORPORATION
5   *   *
6   * Version: 1.6.7-rc   2009/03/03   * Version: 1.7.0-pre   2009/07/03
7   *   *
8   * This file is applicable to both 2.4.30 and 2.6.11 and later.   * This file is applicable to both 2.4.30 and 2.6.11 and later.
9   * See README.ccs for ChangeLog.   * See README.ccs for ChangeLog.
# Line 60  Line 58 
58  #define KERN_CONT ""  #define KERN_CONT ""
59  #endif  #endif
60    
61    /* To support PID namespace. */
62    #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24)
63    #define find_task_by_pid find_task_by_vpid
64    #endif
65    
66  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
67  #define mutex semaphore  #define mutex semaphore
68  #define mutex_init(mutex) init_MUTEX(mutex)  #define mutex_init(mutex) init_MUTEX(mutex)
69  #define mutex_lock(mutex) down(mutex)  #define mutex_lock(mutex) down(mutex)
70  #define mutex_unlock(mutex) up(mutex)  #define mutex_unlock(mutex) up(mutex)
71  #define mutex_lock_interruptible(mutex) down_interruptible(mutex)  #define mutex_lock_interruptible(mutex) down_interruptible(mutex)
72    #define mutex_trylock(mutex) !down_trylock(mutex)
73  #define DEFINE_MUTEX(mutexname) DECLARE_MUTEX(mutexname)  #define DEFINE_MUTEX(mutexname) DECLARE_MUTEX(mutexname)
74  #endif  #endif
75    
# Line 126  Line 130 
130  #endif  #endif
131    
132  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)  #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
133    static inline void __list_add_rcu(struct list_head *new,
134                                      struct list_head *prev,
135                                      struct list_head *next)
136    {
137            new->next = next;
138            new->prev = prev;
139            rcu_assign_pointer(prev->next, new);
140            next->prev = new;
141    }
142    
143    static inline void list_add_tail_rcu(struct list_head *new,
144                                         struct list_head *head)
145    {
146            __list_add_rcu(new, head->prev, head);
147    }
148    
149    static inline void list_add_rcu(struct list_head *new, struct list_head *head)
150    {
151            __list_add_rcu(new, head, head->next);
152    }
153    
154    #ifndef LIST_POISON2
155    #define LIST_POISON2  ((void *) 0x00200200)
156    #endif
157    
158    static inline void list_del_rcu(struct list_head *entry)
159    {
160            __list_del(entry->prev, entry->next);
161            entry->prev = LIST_POISON2;
162    }
163    #endif
164    
165    #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 30)
166    #undef ssleep
167    #define ssleep(secs) {                              \
168            set_current_state(TASK_UNINTERRUPTIBLE);    \
169            schedule_timeout((HZ * secs) + 1);          \
170    }
171    #endif
172    
173    #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 5, 0)
174  #define s_fs_info u.generic_sbp  #define s_fs_info u.generic_sbp
175  #else  #else
176  #include <linux/audit.h>  #include <linux/audit.h>
# Line 154  Line 199 
199  #define sk_protocol protocol  #define sk_protocol protocol
200  #define sk_type type  #define sk_type type
201  #define sk_receive_queue receive_queue  #define sk_receive_queue receive_queue
202    static inline struct socket *SOCKET_I(struct inode *inode)
203    {
204            return inode->i_sock ? &inode->u.socket_i : NULL;
205    }
206    #endif
207    
208    #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 30)
209    #if defined(__LITTLE_ENDIAN)
210    #define HIPQUAD(addr) \
211            ((unsigned char *)&addr)[3], \
212            ((unsigned char *)&addr)[2], \
213            ((unsigned char *)&addr)[1], \
214            ((unsigned char *)&addr)[0]
215    #elif defined(__BIG_ENDIAN)
216    #define HIPQUAD NIPQUAD
217    #else
218    #error "Please fix asm/byteorder.h"
219    #endif /* __LITTLE_ENDIAN */
220    #endif
221    
222    #ifndef _LINUX_SRCU_H
223    
224    struct srcu_struct {
225            int counter_idx;
226            int counter[2];
227    };
228    
229    static inline int init_srcu_struct(struct srcu_struct *sp)
230    {
231            return 0;
232    }
233    
234    int srcu_read_lock(struct srcu_struct *sp);
235    void srcu_read_unlock(struct srcu_struct *sp, const int idx);
236    void synchronize_srcu(struct srcu_struct *sp);
237    
238  #endif  #endif
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